1 /*

        2  * Copyright 1998-2006 Sun Microsystems, Inc.  All Rights Reserved.

        3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

        4  *

        5  * This code is free software; you can redistribute it and/or modify it

        6  * under the terms of the GNU General Public License version 2 only, as

        7  * published by the Free Software Foundation.  Sun designates this

        8  * particular file as subject to the "Classpath" exception as provided

        9  * by Sun in the LICENSE file that accompanied this code.

       10  *

       11  * This code is distributed in the hope that it will be useful, but WITHOUT

       12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

       13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

       14  * version 2 for more details (a copy is included in the LICENSE file that

       15  * accompanied this code).

       16  *

       17  * You should have received a copy of the GNU General Public License version

       18  * 2 along with this work; if not, write to the Free Software Foundation,

       19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

       20  *

       21  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

       22  * CA 95054 USA or visit www.sun.com if you need additional information or

       23  * have any questions.

       24  */

       25 

       26 #ifdef __linux__

       27 #include <stdio.h>

       28 #include <ctype.h>

       29 #endif

       30 #include <pwd.h>

       31 #include <locale.h>

       32 #ifndef ARCHPROPNAME

       33 #error "The macro ARCHPROPNAME has not been defined"

       34 #endif

       35 #include <sys/utsname.h>        /* For os_name and os_version */

       36 #include <langinfo.h>           /* For nl_langinfo */

       37 #include <stdlib.h>

       38 #include <string.h>

       39 #include <sys/types.h>

       40 #include <unistd.h>

       41 #include <sys/param.h>

       42 #include <time.h>

       43 #include <errno.h>

       44 

       45 #include "locale_str.h"

       46 #include "java_props.h"

       47 

       48 #ifdef __linux__

       49 #define CODESET _NL_CTYPE_CODESET_NAME

       50 #else

       51 #ifdef ALT_CODESET_KEY

       52 #define CODESET ALT_CODESET_KEY

       53 #endif

       54 #endif

       55 

       56 /* Take an array of string pairs (map of key->value) and a string (key).

       57  * Examine each pair in the map to see if the first string (key) matches the

       58  * string.  If so, store the second string of the pair (value) in the value and

       59  * return 1.  Otherwise do nothing and return 0.  The end of the map is

       60  * indicated by an empty string at the start of a pair (key of "").

       61  */

       62 static int

       63 mapLookup(char* map[], const char* key, char** value) {

       64     int i;

       65     for (i = 0; strcmp(map[i], ""); i += 2){

       66         if (!strcmp(key, map[i])){

       67             *value = map[i + 1];

       68             return 1;

       69         }

       70     }

       71     return 0;

       72 }

       73 

       74 /* This function sets an environment variable using envstring.

       75  * The format of envstring is "name=value".

       76  * If the name has already existed, it will append value to the name.

       77  */

       78 static void

       79 setPathEnvironment(char *envstring)

       80 {

       81     char name[20], *value, *current;

       82 

       83     value = strchr(envstring, '='); /* locate name and value separator */

       84 

       85     if (! value)

       86         return; /* not a valid environment setting */

       87 

       88     /* copy first part as environment name */

       89     strncpy(name, envstring, value - envstring);

       90     name[value-envstring] = '\0';

       91 

       92     value++; /* set value point to value of the envstring */

       93 

       94     current = getenv(name);

       95     if (current) {

       96         if (! strstr(current, value)) {

       97             /* value is not found in current environment, append it */

       98             char *temp = malloc(strlen(envstring) + strlen(current) + 2);

       99         strcpy(temp, name);

      100         strcat(temp, "=");

      101         strcat(temp, current);

      102         strcat(temp, ":");

      103         strcat(temp, value);

      104         putenv(temp);

      105         }

      106         /* else the value has already been set, do nothing */

      107     }

      108     else {

      109         /* environment variable is not found */

      110         putenv(envstring);

      111     }

      112 }

      113 

      114 #ifndef P_tmpdir

      115 #define P_tmpdir "/var/tmp"

      116 #endif

      117 

      118 /* This function gets called very early, before VM_CALLS are setup.

      119  * Do not use any of the VM_CALLS entries!!!

      120  */

      121 java_props_t *

      122 GetJavaProperties(JNIEnv *env)

      123 {

      124     static java_props_t sprops = {0};

      125     char *v; /* tmp var */

      126 

      127     if (sprops.user_dir) {

      128         return &sprops;

      129     }

      130 

      131     /* tmp dir */

      132     sprops.tmp_dir = P_tmpdir;

      133 

      134     /* Printing properties */

      135     sprops.printerJob = "sun.print.PSPrinterJob";

      136 

      137     /* patches/service packs installed */

      138     sprops.patch_level = "unknown";

      139 

      140     /* Java 2D properties */

      141     sprops.graphics_env = "sun.awt.X11GraphicsEnvironment";

      142     sprops.awt_toolkit = NULL;

      143 

      144     /* This is used only for debugging of font problems. */

      145     v = getenv("JAVA2D_FONTPATH");

      146     sprops.font_dir = v ? v : NULL;

      147 

      148 #ifdef SI_ISALIST

      149     /* supported instruction sets */

      150     {

      151         char list[258];

      152         sysinfo(SI_ISALIST, list, sizeof(list));

      153         sprops.cpu_isalist = strdup(list);

      154     }

      155 #else

      156     sprops.cpu_isalist = NULL;

      157 #endif

      158 

      159     /* endianness of platform */

      160     {

      161         unsigned int endianTest = 0xff000000;

      162         if (((char*)(&endianTest))[0] != 0)

      163             sprops.cpu_endian = "big";

      164         else

      165             sprops.cpu_endian = "little";

      166     }

      167 

      168     /* os properties */

      169     {

      170         struct utsname name;

      171         uname(&name);

      172         sprops.os_name = strdup(name.sysname);

      173         sprops.os_version = strdup(name.release);

      174 

      175         sprops.os_arch = ARCHPROPNAME;

      176 

      177         if (getenv("GNOME_DESKTOP_SESSION_ID") != NULL) {

      178             sprops.desktop = "gnome";

      179         }

      180         else {

      181             sprops.desktop = NULL;

      182         }

      183     }

      184 

      185     /* Determine the language, country, variant, and encoding from the host,

      186      * and store these in the user.language, user.country, user.variant and

      187      * file.encoding system properties. */

      188     {

      189         char *lc;

      190         lc = setlocale(LC_CTYPE, "");

      191 #ifndef __linux__

      192         if (lc == NULL) {

      193             /*

      194              * 'lc == null' means system doesn't support user's environment

      195              * variable's locale.

      196              */

      197           setlocale(LC_ALL, "C");

      198           sprops.language = "en";

      199           sprops.encoding = "ISO8859-1";

      200           sprops.sun_jnu_encoding = sprops.encoding;

      201         } else {

      202 #else

      203         if (lc == NULL || !strcmp(lc, "C") || !strcmp(lc, "POSIX")) {

      204             lc = "en_US";

      205         }

      206         {

      207 #endif

      208 

      209             /*

      210              * locale string format in Solaris is

      211              * <language name>_<country name>.<encoding name>@<variant name>

      212              * <country name>, <encoding name>, and <variant name> are optional.

      213              */

      214             char temp[64];

      215             char *language = NULL, *country = NULL, *variant = NULL,

      216                  *encoding = NULL;

      217             char *std_language = NULL, *std_country = NULL, *std_variant = NULL,

      218                  *std_encoding = NULL;

      219             char *p, encoding_variant[64];

      220             int i, found;

      221 

      222 #ifndef __linux__

      223             /*

      224              * Workaround for Solaris bug 4201684: Xlib doesn't like @euro

      225              * locales. Since we don't depend on the libc @euro behavior,

      226              * we just remove the qualifier.

      227              * On Linux, the bug doesn't occur; on the other hand, @euro

      228              * is needed there because it's a shortcut that also determines

      229              * the encoding - without it, we wouldn't get ISO-8859-15.

      230              * Therefore, this code section is Solaris-specific.

      231              */

      232             lc = strdup(lc);    /* keep a copy, setlocale trashes original. */

      233             strcpy(temp, lc);

      234             p = strstr(temp, "@euro");

      235             if (p != NULL)

      236                 *p = '\0';

      237             setlocale(LC_ALL, temp);

      238 #endif

      239 

      240             strcpy(temp, lc);

      241 

      242             /* Parse the language, country, encoding, and variant from the

      243              * locale.  Any of the elements may be missing, but they must occur

      244              * in the order language_country.encoding@variant, and must be

      245              * preceded by their delimiter (except for language).

      246              *

      247              * If the locale name (without .encoding@variant, if any) matches

      248              * any of the names in the locale_aliases list, map it to the

      249              * corresponding full locale name.  Most of the entries in the

      250              * locale_aliases list are locales that include a language name but

      251              * no country name, and this facility is used to map each language

      252              * to a default country if that's possible.  It's also used to map

      253              * the Solaris locale aliases to their proper Java locale IDs.

      254              */

      255             if ((p = strchr(temp, '.')) != NULL) {

      256                 strcpy(encoding_variant, p); /* Copy the leading '.' */

      257                 *p = '\0';

      258             } else if ((p = strchr(temp, '@')) != NULL) {

      259                  strcpy(encoding_variant, p); /* Copy the leading '@' */

      260                  *p = '\0';

      261             } else {

      262                 *encoding_variant = '\0';

      263             }

      264 

      265             if (mapLookup(locale_aliases, temp, &p)) {

      266                 strcpy(temp, p);

      267             }

      268 

      269             language = temp;

      270             if ((country = strchr(temp, '_')) != NULL) {

      271                 *country++ = '\0';

      272             }

      273 

      274             p = encoding_variant;

      275             if ((encoding = strchr(p, '.')) != NULL) {

      276                 p[encoding++ - p] = '\0';

      277                 p = encoding;

      278             }

      279             if ((variant = strchr(p, '@')) != NULL) {

      280                 p[variant++ - p] = '\0';

      281             }

      282 

      283             /* Normalize the language name */

      284             std_language = "en";

      285             if (language != NULL) {

      286                 mapLookup(language_names, language, &std_language);

      287             }

      288             sprops.language = std_language;

      289 

      290             /* Normalize the country name */

      291             if (country != NULL) {

      292                 std_country = country;

      293                 mapLookup(country_names, country, &std_country);

      294                 sprops.country = strdup(std_country);

      295             }

      296 

      297             /* Normalize the variant name.  Note that we only use

      298              * variants listed in the mapping array; others are ignored. */

      299             if (variant != NULL) {

      300                 mapLookup(variant_names, variant, &std_variant);

      301                 sprops.variant = std_variant;

      302             }

      303 

      304             /* Normalize the encoding name.  Note that we IGNORE the string

      305              * 'encoding' extracted from the locale name above.  Instead, we use the

      306              * more reliable method of calling nl_langinfo(CODESET).  This function

      307              * returns an empty string if no encoding is set for the given locale

      308              * (e.g., the C or POSIX locales); we use the default ISO 8859-1

      309              * converter for such locales.

      310              */

      311 

      312             /* OK, not so reliable - nl_langinfo() gives wrong answers on

      313              * Euro locales, in particular. */

      314             if (strcmp(p, "ISO8859-15") == 0)

      315                 p = "ISO8859-15";

      316             else

      317                 p = nl_langinfo(CODESET);

      318 

      319             /* Convert the bare "646" used on Solaris to a proper IANA name */

      320             if (strcmp(p, "646") == 0)

      321                 p = "ISO646-US";

      322 

      323             /* return same result nl_langinfo would return for en_UK,

      324              * in order to use optimizations. */

      325             std_encoding = (*p != '\0') ? p : "ISO8859-1";

      326 

      327 

      328 #ifdef __linux__

      329             /*

      330              * Remap the encoding string to a different value for japanese

      331              * locales on linux so that customized converters are used instead

      332              * of the default converter for "EUC-JP". The customized converters

      333              * omit support for the JIS0212 encoding which is not supported by

      334              * the variant of "EUC-JP" encoding used on linux

      335              */

      336             if (strcmp(p, "EUC-JP") == 0) {

      337                 std_encoding = "EUC-JP-LINUX";

      338             }

      339 #else

      340             /* For Solaris use customized vendor defined character

      341              * customized EUC-JP converter

      342              */

      343             if (strcmp(p,"eucJP") == 0) {

      344                 std_encoding = "eucJP-open";

      345             }

      346 #endif

      347 #ifndef __linux__

      348             /*

      349              * Remap the encoding string to Big5_Solaris which augments

      350              * the default converter for Solaris Big5 locales to include

      351              * seven additional ideographic characters beyond those included

      352              * in the Java "Big5" converter.

      353              */

      354             if (strcmp(p, "Big5") == 0) {

      355                     std_encoding = "Big5_Solaris";

      356             }

      357 #endif

      358             sprops.encoding = std_encoding;

      359             sprops.sun_jnu_encoding = sprops.encoding;

      360         }

      361     }

      362 

      363 #ifdef __linux__

      364 #if __BYTE_ORDER == __LITTLE_ENDIAN

      365     sprops.unicode_encoding = "UnicodeLittle";

      366 #else

      367     sprops.unicode_encoding = "UnicodeBig";

      368 #endif

      369 #else

      370     sprops.unicode_encoding = "UnicodeBig";

      371 #endif

      372 

      373     /* user properties */

      374     {

      375         struct passwd *pwent = getpwuid(getuid());

      376         sprops.user_name = pwent ? strdup(pwent->pw_name) : "?";

      377         sprops.user_home = pwent ? strdup(pwent->pw_dir) : "?";

      378     }

      379 

      380     /* User TIMEZONE */

      381     {

      382         /*

      383          * We defer setting up timezone until it's actually necessary.

      384          * Refer to TimeZone.getDefault(). However, the system

      385          * property is necessary to be able to be set by the command

      386          * line interface -D. Here temporarily set a null string to

      387          * timezone.

      388          */

      389         tzset();        /* for compatibility */

      390         sprops.timezone = "";

      391     }

      392 

      393     /* Current directory */

      394     {

      395         char buf[MAXPATHLEN];

      396         errno = 0;

      397         if (getcwd(buf, sizeof(buf))  == NULL)

      398             JNU_ThrowByName(env, "java/lang/Error",

      399              "Properties init: Could not determine current working directory.");

      400         else

      401             sprops.user_dir = strdup(buf);

      402     }

      403 

      404     sprops.file_separator = "/";

      405     sprops.path_separator = ":";

      406     sprops.line_separator = "\n";

      407 

      408     /* Append CDE message and resource search path to NLSPATH and

      409      * XFILESEARCHPATH, in order to pick localized message for

      410      * FileSelectionDialog window (Bug 4173641).

      411      */

      412     setPathEnvironment("NLSPATH=/usr/dt/lib/nls/msg/%L/%N.cat");

      413     setPathEnvironment("XFILESEARCHPATH=/usr/dt/app-defaults/%L/Dt");

      414 

      415     return &sprops;

      416 }